Jose Acosta vs. Mike Kilkenny — Career Comparison

Mike Kilkenny built a career as a starting pitcher and Jose Acosta as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Kilkenny posted stronger surface numbers — ERA 4.43 and WHIP 1.510 compared to 4.51 and 1.561 for Jose Acosta. By the career numbers, Mike Kilkenny had the better of this cross-role comparison — though era context would sharpen the verdict.